Group 1 - The core point of the article is that Kunming Dianchi Water Co., Ltd., a subsidiary of Beijing Enterprises Water Group, announced a tender for the renovation and upgrade of the sewage treatment plant facilities in Kunming, with a budget of 74.73 million yuan [1] Group 2 - The project is titled "Design, Procurement, and Construction General Contracting (EPC) for the Renovation and Upgrade of the Sewage Treatment Plant Facilities in the Laoyuhe River, Kunming" [1] - Beijing Enterprises Water Group holds a 4.64% stake in Kunming Dianchi Water Co., Ltd. [1]

Group 1 - The core point of the article is the announcement of a tender for the renovation and upgrade of the Kunming Luolong River sewage treatment plant by Kunming Dianchi Water Co., Ltd., a subsidiary of Beijing Enterprises Water Group [1] - The project is categorized as an Engineering, Procurement, and Construction (EPC) tender with a budget amounting to 70.34 million yuan [1] - Beijing Enterprises Water Group holds a 4.64% stake in Kunming Dianchi Water Co., Ltd. according to the equity penetration data [1]